Transactions of Nanjing University of Aeronautics & Astronautics
An Error Area Determination Approach in Machining of Aero-engine Blade
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Abstract:
As a result of the recently increasing demands on high-performance aero-engine， the machining accuracy of blade profile is becoming more stringent. However， in the current profile， precision milling， grinding or near-net-shape technology has to undergo a tedious iterative error compensation. Thus， if the profile error area and boundary can be determined automatically and quickly， it will help to improve the efficiency of subsequent re-machining correction process. To this end， an error boundary intersection approach is presented aiming at the error area determination of complex profile， including the phaseⅠof cross sectional non-rigid registration based on the minimum error area and the phaseⅡof boundary identification based on triangular meshes intersection. Some practical cases are given to demonstrate the effectiveness and superiority of the proposed approach.
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This work was supported by the Aeronautical Science Foundation of China （No.20200016112001）.
Clc Number:
TH164
CHINA AERO-SCIENCES
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